diff --git a/src/main/scala/gitbucket/core/plugin/PluginRegistory.scala b/src/main/scala/gitbucket/core/plugin/PluginRegistory.scala
index d784d87..849fbc3 100644
--- a/src/main/scala/gitbucket/core/plugin/PluginRegistory.scala
+++ b/src/main/scala/gitbucket/core/plugin/PluginRegistory.scala
@@ -14,7 +14,6 @@
 import gitbucket.core.util.Directory._
 import io.github.gitbucket.solidbase.Solidbase
 import io.github.gitbucket.solidbase.model.Module
-import liquibase.database.core.H2Database
 import org.apache.commons.codec.binary.{Base64, StringUtils}
 import org.slf4j.LoggerFactory
 
diff --git a/src/main/scala/gitbucket/core/service/WebHookService.scala b/src/main/scala/gitbucket/core/service/WebHookService.scala
index e37dcae..d50f9e7 100644
--- a/src/main/scala/gitbucket/core/service/WebHookService.scala
+++ b/src/main/scala/gitbucket/core/service/WebHookService.scala
@@ -1,6 +1,5 @@
 package gitbucket.core.service
 
-import java.io.ByteArrayInputStream
 import fr.brouillard.oss.security.xhub.XHub
 import fr.brouillard.oss.security.xhub.XHub.{XHubDigest, XHubConverter}
 import gitbucket.core.api._